GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the starter motor. Refer to Starter Motor Replacement .

  2. Object Number: 1809558  Size: SH
  3. Disconnect the engine wiring harness electrical connector (1) from the crankshaft position (CKP) sensor.

  4. Object Number: 1578475  Size: SH
  5. Remove the CKP sensor bolt.
  6. Remove the CKP sensor.

Installation Procedure


    Object Number: 1578475  Size: SH
  1. Lubricate the CKP sensor O-ring seal with clean engine oil.
  2. Install the CKP sensor.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the CKP sensor bolt.
  5. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1809558  Size: SH
  6. Connect the engine wiring harness electrical connector (1) to the CKP sensor.
  7. Install the starter motor. Refer to Starter Motor Replacement .

Removal Procedure

  1. Remove the starter motor. Refer to Starter Motor Replacement.

  2. Object Number: 1809558  Size: SH
  3. Disconnect the engine wiring harness electrical connector (1) from the crankshaft position (CKP) sensor.

  4. Object Number: 1578475  Size: SH
  5. Remove the CKP sensor bolt.
  6. Remove the CKP sensor.

Installation Procedure


    Object Number: 1578475  Size: SH
  1. Lubricate the CKP sensor O-ring seal with clean engine oil.
  2. Install the CKP sensor.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the CKP sensor bolt.
  5. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1809558  Size: SH
  6. Connect the engine wiring harness electrical connector (1) to the CKP sensor.
  7. Install the starter motor. Refer to Starter Motor Replacement.